Unsucessful root s7 - T-Mobile Samsung Galaxy S7 Questions & Answers

Ever since I attempted to root my phone was stuck in a boot-loop then I took it to a phone repair place they only help with the boot-loop and had the failure to test the phone when I got it back then I received it and notice that the phone was laggy I told them about it the issue they want me to pay addition.now I'm stuck with security notice and if I tap on it then tap restart it'll go to the bootloader I want to know what to do
P.s. I got the custom and the lock unlocked on the bootup

Is your phone stills rooted?

After rooting if tour phone goes into a boot loop, do a factory reset from recovery.

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Samsung Galaxy S2 Epic Sprint - Help Unrooting

Okay so I just bought this phone from craigslist. It was rooted when I got it. I factory reset the data but then restarted the phone and got stuck in a boot loop. So, I decided to unroot it and put it back to it's original state. I downloaded the original stock kernal - acs-eb30-stock-kernal-pulled.tar - and I loaded it on via Odin. I then followed the command prompt steps to fully unroot the phone and it was successful. I'm not stuck in a boot loop anymore however I can't access the main home page, the settings, get a wifi connection, anything really. It just keeps asking me to put in my google account settings but I can't connect to wifi. I can't get to the home screen page. It's almost like maybe that was the wrong kernal? I was looking for the stock kernal and people were saying it's EG30 not EB30. Any suggestions?

[Q] Fix bootlooping Shield

I've had my shield for a little over a year now... never rooted, never bootloader unlocked. I've been on the latest firmware since it came out in November, I was extracting a pokemon game rom when I had a lockup earlier, and I force shut it down and turned it back on, now I'm stuck in a bootloop! I've gone into the bootloader and launched recovery mode, but when it gets to that menu, it has the normal android with chest open background with "no command." typed below it. I need to know how I can fix it lol. I'm not rich and have handfulls of expensive android devices, so if this thing is gone for good, then fml.
I've been considering unlocking the bootloader and rooting anyway since the warranty is out so I've decided I'll unlock the bootloader, flash a stock rom extract, and root it. hopefully I can pull it off with nothing but fastboot.

Stuck at boot screen even after restore with tot method...

Hello Everyone,
I have been trying to help my friend with his soft-bricked G3. He wasn't rooted and had never even played with flashing anything, it just stopped booting one day and would display the "LG Life's Good" boot screen for a few seconds before going black and then just repeating this endlessly. I was able to get into recovery and download mode so I used the tot method to flash back to stock after a hard reset just produced the same results.
When I flashed the stock firmware, everything appeared to work fine, it went through the MiniOS bootup and everything, said success, gave me the hard reset status screen so when it finished I pulled the battery as instructed and rebooted but the phone still has the same issue. I have tried to run factory reset through recovery now that I flashed the new firmware and it still does the same thing, just hangs at the boot screen for a few seconds before going black and then trying again, endlessly.
Has anyone encountered this before? Is it bricked?
Thanks.
The_mamba said:
Hello Everyone,
I have been trying to help my friend with his soft-bricked G3. He wasn't rooted and had never even played with flashing anything, it just stopped booting one day and would display the "LG Life's Good" boot screen for a few seconds before going black and then just repeating this endlessly. I was able to get into recovery and download mode so I used the tot method to flash back to stock after a hard reset just produced the same results.
When I flashed the stock firmware, everything appeared to work fine, it went through the MiniOS bootup and everything, said success, gave me the hard reset status screen so when it finished I pulled the battery as instructed and rebooted but the phone still has the same issue. I have tried to run factory reset through recovery now that I flashed the new firmware and it still does the same thing, just hangs at the boot screen for a few seconds before going black and then trying again, endlessly.
Has anyone encountered this before? Is it bricked?
Thanks.
Click to expand...
Click to collapse
Pretty common prob plug it in to the wall charge see if it boots sometimes it still wont but most of the time it will the battery quality on the g3 is crap they last at most a year with a few exceptions i would first order a battery.

[Completed] LG G4 h811 unable to factory reset or enter download mode.

Hey guys,
Sorry if the answer to this found somewhere else, tried searching but foud nothing for my situation.
My buddy, who is a super basic user and was not attempting to do anything with his phone, has a G4 that suddenly stopped working and went into a boot loop.
We tried factory resetting it and it got about half way through the apps before stopping, going back into a boot loop and was unable to get back to the same point in the factory reset.
I tried flashing the ROM using LGUP to H811-20o and it said that it went successfully on LGUP as well as the phone itself, but after it rebooted it went back into a boot loop.
Now the boot loop goes faster but is still looping and we cannot get back into download mode to try again or potentially try a different ROM. It goes to the first screen of download mode with the 5 blue dots but doesn't get past that, I've removed the battery waited for a while in between attempts and still nothing.
We can get to the factory reset screen and click yes, it will then go to the green android guy with his cog wheels exposed but then immediately goes back into a boot loop.
Any help is appreciated, even if its just a confirmation of being SOL.
Hi
a helpful thread may be found here
https://forum.xda-developers.com/tmobile-g4/general/lg-g4-h811-complete-unbrick-guide-100-t3461629

Android LG Power (L22C) Stuck on LG boot screen after restarting phone from SuperSU.

After I first rooted my phone with kingroot and tried using SuperSU with it, I was told to restart my device. After I did that my phone will no longer boot past the LG screen and factory resetting doesn't help either.

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